TY  - BOOK
AU  - Osborne, C. W. and Trott, A. J.
TI  - International yearbook of educational and instructional technology 1982/83
SN  - 0850385504
U1  - 370 
PY  - 1982///
CY  - London
PB  - Nichols publisher
KW  - Education
ER  -